Quantitative Aptitude - Arithmetic Ability Questions

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

If x = y + 2 then x3 - y3 - z3 is

If secθ = cosecq with 0° < θ , q < 90°, then the value of sin (θ + q) is

A sum of 2,000, invested at the rate of 8.5% simple interest per annum for 6years will yield an interest of

Solve 675.9995+(3.9989)2 = ? ÷ 16.9900865

If x + 1/x = 6, then value of x2 + 1/x2 is

25% discount is offered on an item. By applying a promo code a customer wins 10% cash back. What is the effective discount?

Select the odd word/letters/number/number pair from the given alternatives.